//
//  CZStatusOriginalView.swift
//  WHWeiBo01
//
//  Created by whitcast on 16/7/13.
//  Copyright © 2016年 itcast. All rights reserved.
//

import UIKit
import SDWebImage
import SnapKit

//  原创微博视图
class CZStatusOriginalView: UIView {
    //  记录原创微博底部的约束
    var originalViewBottom: Constraint?
    
    //  持有对应显示数据的ViewModel
    var statusViewModel: CZStatusViewModel? {
        didSet {
            //  判断url是否为nil
            if let imageUrl = statusViewModel?.status?.user?.profile_image_url {
                headImageView.sd_setImageWithURL(NSURL(string: imageUrl), placeholderImage: UIImage(named: "avatar_default_big"))                
            }
            screenNameLabel.text = statusViewModel?.status?.user?.screen_name
            
            timeLabel.text = statusViewModel?.timeStr
            //  来源字符串
            sourceLabel.text = statusViewModel?.sourceContent
            //  设置微博内容
//            contentLabel.text = statusViewModel?.status?.text
            contentLabel.attributedText = statusViewModel?.originalAttributedStr
            //  设置会员等级图片
            mbrankImageView.image = statusViewModel?.mbrandImage
            //  设置认证类型等级图片
            verifiedTypeImageView.image = statusViewModel?.verifiedTypeImage
            //  卸载约束
            originalViewBottom?.uninstall()
            //  判断原创微博是否有配图, 数据是否大于0
            if let count = statusViewModel?.status?.pic_urls?.count where count > 0 {
                //  有配图, 设置数据源,更新约束, 显示出来
                pictureView.hidden = false
                pictureView.picUrls = statusViewModel?.status?.pic_urls
                //  更新约束
                self.snp_updateConstraints(closure: { (make) -> Void in
                    self.originalViewBottom = make.bottom.equalTo(pictureView).offset(HomeCellMargin).constraint
                })
                
            
            } else {
                //  没有配图, 不显示,更新约束
                pictureView.hidden = true
                self.snp_updateConstraints(closure: { (make) -> Void in
                    self.originalViewBottom = make.bottom.equalTo(contentLabel).offset(HomeCellMargin).constraint
                })
                
            }
            
            
            
        }
    }
    
    // MARK: -- 懒加载控件
    //  头像
    private lazy var headImageView: UIImageView = UIImageView(image: UIImage(named: "avatar_default_big"))
    //  认证类型等级图片
    private lazy var verifiedTypeImageView: UIImageView = UIImageView(image: UIImage(named: "avatar_vip"))
    //  昵称
    private lazy var screenNameLabel: UILabel = UILabel(textColor: UIColor.darkGrayColor(), fontSize: 15)
    
    //  会员等级
    private lazy var mbrankImageView: UIImageView = UIImageView(image: UIImage(named: "common_icon_membership"))
    //  时间
    private lazy var timeLabel: UILabel = UILabel(textColor: UIColor.orangeColor(), fontSize: 12)
    //  来源
    private lazy var sourceLabel: UILabel = UILabel(textColor: UIColor.lightGrayColor(), fontSize: 12)
    //  微博内容
    private lazy var contentLabel: UILabel = {
        let label = UILabel(textColor: UIColor.darkGrayColor(), fontSize: HomeFontSize)
        label.numberOfLines = 0
        return label
    }()
    //  原创微博配图
    private lazy var pictureView: CZStatusPictureView = {
        let view = CZStatusPictureView()
        view.backgroundColor = self.backgroundColor
        return view
    }()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    //  添加视图设置约束
    private func setupUI() {
        backgroundColor = UIColor.whiteColor()
        addSubview(headImageView)
        addSubview(verifiedTypeImageView)
        addSubview(screenNameLabel)
        addSubview(mbrankImageView)
        addSubview(timeLabel)
        addSubview(sourceLabel)
        addSubview(contentLabel)
        addSubview(pictureView)
        
        headImageView.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(self).offset(HomeCellMargin)
            make.leading.equalTo(self).offset(HomeCellMargin)
            make.size.equalTo(CGSize(width: 35, height: 35))
        }
        verifiedTypeImageView.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(headImageView.snp_trailing)
            make.centerY.equalTo(headImageView.snp_bottom)
        }
        screenNameLabel.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(headImageView.snp_trailing).offset(HomeCellMargin)
            make.top.equalTo(headImageView)
        }
        mbrankImageView.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(screenNameLabel.snp_trailing).offset(HomeCellMargin)
            make.top.equalTo(screenNameLabel)
        }
        timeLabel.snp_makeConstraints { (make) -> Void in
            make.bottom.equalTo(headImageView)
            make.leading.equalTo(headImageView.snp_trailing).offset(HomeCellMargin)
        }
        sourceLabel.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(timeLabel.snp_trailing).offset(HomeCellMargin)
            make.bottom.equalTo(timeLabel)
        }
        contentLabel.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(headImageView.snp_bottom).offset(HomeCellMargin)
            make.leading.equalTo(headImageView)
            make.trailing.equalTo(self).offset(-HomeCellMargin)
           
        }
        pictureView.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(contentLabel)
            make.top.equalTo(contentLabel.snp_bottom).offset(HomeCellMargin)
        }

        
        //  原创微博的底部约束 = 微博内容的底部约束 + HomeCellMargin
        //  很重要的约束
        self.snp_makeConstraints { (make) -> Void in
            
            self.originalViewBottom = make.bottom.equalTo(pictureView).offset(HomeCellMargin).constraint
            
            
        }
        
        
        
        
    
    }
    



}
